131504247

素因数分解:

$3^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{5981}}^1$

素因数の和:6343

約数の個数: 24

約数和(自身を含む): 217744800

約数和(自身を除く): 86240553

約数列:

[1, 3, 7, 9, 21, 63, 349, 1047, 2443, 3141, 5981, 7329, 17943, 21987, 41867, 53829, 125601, 376803, 2087369, 6262107, 14611583, 18786321, 43834749, 131504247]

約数ペア:

[(1, 131504247), (3, 43834749), (7, 18786321), (9, 14611583), (21, 6262107), (63, 2087369), (349, 376803), (1047, 125601), (2443, 53829), (3141, 41867), (5981, 21987), (7329, 17943)]